Adsorption of organic dyes on macroporous melamine sponge incorporating conducting polypyrrole nanotubes
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F22%3A00547960" target="_blank" >RIV/61389013:_____/22:00547960 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/44555601:13440/22:43896967 RIV/60461373:22810/22:43924135
Výsledek na webu
<a href="https://onlinelibrary.wiley.com/doi/10.1002/app.52156" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/app.52156</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/app.52156" target="_blank" >10.1002/app.52156</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Adsorption of organic dyes on macroporous melamine sponge incorporating conducting polypyrrole nanotubes
Popis výsledku v původním jazyce
The macropores of melamine sponge were coated with globular polypyrrole or polypyrrole nanotubes. The resulting materials have been tested for the adsorptive removal of organic dyes from aqueous medium. The nanotubes deposited on the sponge were able to remove Reactive Black 5 dye while the adsorption on analogous polypyrrole globules was marginal. For that reason, the macroporous open-cell melamine sponge with embedded nanotubes was tested for the adsorption of five anionic and five cationic dyes. The anionic dyes were adsorbed efficiently in the contrast to cationic ones. This can be explained by the electrostatic interaction of anionic dyes with polypyrrole polycation. The fast-starting adsorption occurred within a few minutes and was followed by a slower process extending for days. The nanotubes deposited on the sponge have always been more efficient adsorbents than free polypyrrole nanotubes or melamine sponge alone. Better organization of polymer chains in the polypyrrole nanotubes and especially those deposited on the melamine sponge is proposed to be responsible for this effect. Cationic dyes were adsorbed even by neat melamine sponge while the adsorption by polypyrrole was negligible. In this case, the indifferent role of polypyrrole can be assigned to the electrostatic repulsion of the dye.
Název v anglickém jazyce
Adsorption of organic dyes on macroporous melamine sponge incorporating conducting polypyrrole nanotubes
Popis výsledku anglicky
The macropores of melamine sponge were coated with globular polypyrrole or polypyrrole nanotubes. The resulting materials have been tested for the adsorptive removal of organic dyes from aqueous medium. The nanotubes deposited on the sponge were able to remove Reactive Black 5 dye while the adsorption on analogous polypyrrole globules was marginal. For that reason, the macroporous open-cell melamine sponge with embedded nanotubes was tested for the adsorption of five anionic and five cationic dyes. The anionic dyes were adsorbed efficiently in the contrast to cationic ones. This can be explained by the electrostatic interaction of anionic dyes with polypyrrole polycation. The fast-starting adsorption occurred within a few minutes and was followed by a slower process extending for days. The nanotubes deposited on the sponge have always been more efficient adsorbents than free polypyrrole nanotubes or melamine sponge alone. Better organization of polymer chains in the polypyrrole nanotubes and especially those deposited on the melamine sponge is proposed to be responsible for this effect. Cationic dyes were adsorbed even by neat melamine sponge while the adsorption by polypyrrole was negligible. In this case, the indifferent role of polypyrrole can be assigned to the electrostatic repulsion of the dye.
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
10404 - Polymer science
Návaznosti výsledku
Projekt
<a href="/cs/project/GA19-04859S" target="_blank" >GA19-04859S: Interakce vodivých polymerů s organickými barvivy: Principy a důsledky</a><br>
Návaznosti
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2022
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Journal of Applied Polymer Science
ISSN
0021-8995
e-ISSN
1097-4628
Svazek periodika
139
Číslo periodika v rámci svazku
20
Stát vydavatele periodika
US - Spojené státy americké
Počet stran výsledku
10
Strana od-do
e52156
Kód UT WoS článku
000740979600001
EID výsledku v databázi Scopus
2-s2.0-85122887278